Time-delayed chameleon: Analysis, synchronization and FPGA implementation

被引：21

作者：

Rajagopal, Karthikeyan ^{[1
]}

Jafari, Sajad ^{[2
]}

Laarem, Guessas ^{[3
]}

机构：

[1] PNG Univ Technol, Dept Elect & Commun Engn, Ctr Nonlinear Dynam, Lae, Papua N Guinea

[2] Amirkabir Univ Technol, Biomed Engn Dept, Tehran, Iran

[3] Ferhat Abbes Univ, Technol Fac, Setif, Algeria

来源：

PRAMANA-JOURNAL OF PHYSICS | 2017年 / 89卷 / 06期

关键词：

Time-delay systems; bifurcation; lag synchronization; field programmable gate arrays; FUNCTION PROJECTIVE SYNCHRONIZATION; DIFFERENT CHAOTIC SYSTEMS; HIDDEN ATTRACTORS; NO-EQUILIBRIUM; ADAPTIVE SYNCHRONIZATION; HYPERCHAOTIC SYSTEM; UNKNOWN-PARAMETERS; NOISE; MULTISTABILITY;

D O I：

10.1007/s12043-017-1487-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper we report a time-delayed chameleon-like chaotic system which can belong to different families of chaotic attractors depending on the choices of parameters. Such a characteristic of self-excited and hidden chaotic flows in a simple 3D system with time delay has not been reported earlier. Dynamic analysis of the proposed time-delayed systems are analysed in time-delay space and parameter space. A novel adaptive modified functional projective lag synchronization algorithm is derived for synchronizing identical time-delayed chameleon systems with uncertain parameters. The proposed time-delayed systems and the synchronization algorithm with controllers and parameter estimates are then implemented in FPGA using hardware-software co-simulation and the results are presented.

引用

页数：17

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